DE2960229D1 - Method of preparing 1,4-diaminoanthraquinone-2-carboxylic acid - Google Patents

Method of preparing 1,4-diaminoanthraquinone-2-carboxylic acid

Info

Publication number
DE2960229D1
DE2960229D1 DE7979101158T DE2960229T DE2960229D1 DE 2960229 D1 DE2960229 D1 DE 2960229D1 DE 7979101158 T DE7979101158 T DE 7979101158T DE 2960229 T DE2960229 T DE 2960229T DE 2960229 D1 DE2960229 D1 DE 2960229D1
Authority
DE
Germany
Prior art keywords
diaminoanthraquinone
preparing
carboxylic acid
carboxylic
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE7979101158T
Other languages
German (de)
Inventor
Athanassios Dr Tzikas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of DE2960229D1 publication Critical patent/DE2960229D1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/22—Dyes with unsubstituted amino groups
DE7979101158T 1978-04-28 1979-04-17 Method of preparing 1,4-diaminoanthraquinone-2-carboxylic acid Expired DE2960229D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH464978 1978-04-28

Publications (1)

Publication Number Publication Date
DE2960229D1 true DE2960229D1 (en) 1981-04-23

Family

ID=4280060

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979101158T Expired DE2960229D1 (en) 1978-04-28 1979-04-17 Method of preparing 1,4-diaminoanthraquinone-2-carboxylic acid

Country Status (4)

Country Link
US (1) US4243600A (en)
EP (1) EP0005206B1 (en)
JP (1) JPS54144355A (en)
DE (1) DE2960229D1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051004A (en) * 1933-09-19 1936-08-11 Gen Aniline Works Inc Process of producing n-substitution products of 1, 4-diaminoanthraquinones
US2717255A (en) * 1952-06-10 1955-09-06 American Cyanamid Co New intermediates of the anthraquinone series
US3417090A (en) * 1965-09-15 1968-12-17 Bayer Ag Reduction of nitro compounds to amines
CH573394A5 (en) * 1973-05-28 1976-03-15 Sandoz Ag
DE2344195C3 (en) * 1973-09-01 1980-12-11 Basf Ag, 6700 Ludwigshafen Process for the preparation of aminoanthraquinones from nitroanthraquinones
CH592716A5 (en) * 1974-09-20 1977-11-15 Ciba Geigy Ag
JPS5176328A (en) * 1974-12-20 1976-07-01 Mitsui Toatsu Chemicals Aminoantorakinonruino seizohoho
DE2541800A1 (en) * 1975-09-19 1977-03-31 Basf Ag (1,4)-Diamino-anthraquinone -(2)-carboxylic acid prepn. - by reducing corresp. dinitro cpd. with sulphur trioxide and sulphur

Also Published As

Publication number Publication date
JPS54144355A (en) 1979-11-10
EP0005206A1 (en) 1979-11-14
EP0005206B1 (en) 1981-04-01
US4243600A (en) 1981-01-06

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee